An electronic device may include a transceiver, first and second antennas, and a passive radio-frequency power distribution circuit. The distribution circuit may have a first port coupled to the transceiver, a second port coupled to the first antenna, and a third port coupled to the third antenna. The distribution circuit may include a transformer coupled between the ports. The transformer may have at least two intertwined inductors formed from conductive traces on a dielectric substrate. The intertwined inductors may be concentric about a common point. The intertwined inductors may extend from the common point to the second and third ports. The intertwined inductors may have a coil or spiral shape and may wind around the common point at least once. Intertwining the inductors may serve to minimize the lateral footprint of the distribution circuit in the device.

An antenna device includes: a pair of first elements that are arranged on a first plane; and a pair of second elements that are arranged on a second plane parallel to the first plane such that a polarized wave direction of the pair of second elements is orthogonal to that of the pair of first elements. Each element of the pair of first elements and the pair of second elements includes a portion that acts as a self-similarity antenna or an antenna that acts based on similar operating principle to the self-similarity antenna. In one embodiment, each element of the pair of first elements and the pair of second elements includes two arms that extend in a direction away from each other from a proximal end portion to which a feed point is connectable.

A microstrip ultra-wideband antenna is provided, including: an upper dielectric substrate, a radiation patch, an open-circuit line, a short-circuit line, a ground plane, a lower dielectric substrate, a vertical dielectric substrate, isolation walls, a hyperbolic microstrip balun feeder and an ideal wave port. The radiation patch is attached to a lower surface of the upper dielectric substrate; the ground plane is attached to an upper surface of the lower dielectric substrate; the short-circuit line and the open-circuit line are attached to a rear surface and a front surface of the vertical dielectric substrate respectively; the hyperbolic microstrip balun feeder is attached to the front and rear surface of the vertical dielectric substrate; the isolation walls are located between the upper dielectric substrate and the lower dielectric substrate perpendicularly to an end of the radiation patch; and the ideal wave port is provided below the hyperbolic microstrip balun feeder.

A microstrip ultra-wideband antenna is provided, including: an upper dielectric substrate, a radiation patch, an open-circuit line, a short-circuit line, a ground plane, a lower dielectric substrate, a vertical dielectric substrate, isolation walls, a hyperbolic microstrip balun feeder and an ideal wave port. The radiation patch is attached to a lower surface of the upper dielectric substrate; the ground plane is attached to an upper surface of the lower dielectric substrate; the short-circuit line and the open-circuit line are attached to a rear surface and a front surface of the vertical dielectric substrate respectively; the hyperbolic microstrip balun feeder is attached to the front and rear surface of the vertical dielectric substrate; the isolation walls are located between the upper dielectric substrate and the lower dielectric substrate perpendicularly to an end of the radiation patch; and the ideal wave port is provided below the hyperbolic microstrip balun feeder.

A stylus pen includes a pen barrel extending along a longitudinal axis, and the pen barrel includes a main body, a pen nib part disposed at one end of the main body, and a pen end part disposed at another end of the main body and that corresponds to the pen nib part; and an antenna disposed on the main body of the pen barrel, where at least one part of the antenna is located outside the pen barrel and is close to the pen nib part and/or the pen end part, and the antenna comprises a loop antenna or a planar inverted-F antenna close to the pen end part.

The present disclosure relates to a communication method and system for converging a 5.sup.th-Generation (5G) communication system for supporting higher data rates beyond a 4.sup.th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. According to an embodiment o, an antenna device in a wireless communication system includes: an antenna module; and a radome covering at least a part of the antenna module, wherein the antenna module includes a first radiator disposed on one surface of the radome and at least one second radiator spaced apart from the first radiator by a specified distance on the one surface to form a loop of the first radiator, wherein the at least one second radiator includes a plurality of gaps opening each of the loops.

The present disclosure relates to a communication method and system for converging a 5.sup.th-Generation (5G) communication system for supporting higher data rates beyond a 4.sup.th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. According to an embodiment o, an antenna device in a wireless communication system includes: an antenna module; and a radome covering at least a part of the antenna module, wherein the antenna module includes a first radiator disposed on one surface of the radome and at least one second radiator spaced apart from the first radiator by a specified distance on the one surface to form a loop of the first radiator, wherein the at least one second radiator includes a plurality of gaps opening each of the loops.

An antenna apparatus and an electronic device are provided. The antenna apparatus includes a dielectric substrate, a conductive element, and an antenna coil disposed on a first surface of the dielectric substrate. The antenna coil includes a winding center part, at least one first conductor segment and at least one second conductor segment respectively disposed on two opposite sides of the winding center part, the first conductor segment and the second conductor segment are in series connection. The conductive element is disposed on a second surface of the dielectric substrate opposite to the first surface or disposed in an interior of the dielectric substrate, disposed opposite to the first conductor segment, and the conductive element is electrically connected to the first conductor segment. Orthographic projection of the conductive element on the dielectric substrate covers at least one part of orthographic projection of the first conductor segment on the dielectric substrate.

An antenna apparatus and an electronic device are provided. The antenna apparatus includes a dielectric substrate, a conductive element, and an antenna coil disposed on a first surface of the dielectric substrate. The antenna coil includes a winding center part, at least one first conductor segment and at least one second conductor segment respectively disposed on two opposite sides of the winding center part, the first conductor segment and the second conductor segment are in series connection. The conductive element is disposed on a second surface of the dielectric substrate opposite to the first surface or disposed in an interior of the dielectric substrate, disposed opposite to the first conductor segment, and the conductive element is electrically connected to the first conductor segment. Orthographic projection of the conductive element on the dielectric substrate covers at least one part of orthographic projection of the first conductor segment on the dielectric substrate.

According to various aspects, exemplary embodiments are provided of antenna assemblies. In an exemplary embodiment, an antenna assembly generally includes at least one antenna element configured to be operable for receiving high definition television signals.